Chris Costava is a supporting character in the anime series 'Last Exile'. He serves as a navigator aboard the Silvana, a renowned battleship commanded by Alex Row. Chris is known for his calm demeanor and sharp instincts, which make him an invaluable asset during aerial battles. His expertise in navigation and strategy contributes significantly to the Silvana's success in various missions. Despite his reserved nature, Chris is deeply committed to his crew, often working tirelessly to ensure their safety and the ship's operational efficiency. His loyalty and dedication make him a respected figure among his peers.